Nemaha County Bridge Report Card

Nemaha County scores 33 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F33 / 100

Local infrastructure snapshot

Nemaha County, Nebraska

Nemaha County has 179 bridges in the National Bridge Inventory, with 60 rated poor and 48 rated scour-critical. Its poor-condition share of 33.5% is above the 7.5% statewide average. Poor-condition bridges carry about 4,281 daily vehicle crossings.

179Total Bridges

60Poor (33.5%)

35Fair (19.6%)

48Scour-Critical

Quote-Ready Local Facts

33.5%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

4,281daily vehicle crossings are on poor-condition bridges in the county.

48bridges are rated scour-critical, or 26.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Nemaha County a Bridge Condition Exposure Score of 33/100 (F). The county has 179 bridges in the National Bridge Inventory, including 60 in poor condition and 48 rated scour-critical. Poor-condition bridges carry about 4,281 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	33.5%	40.0
Poor-condition traffic exposure	25	5.4% of measured traffic	4.0
Scour-critical bridge share	20	26.8%	20.0
Average age vs national baseline	10	56 years vs 48 nationally	3.2
Traffic-data completeness	5	79,676 measured daily crossings	0.0

Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.

County Comparisons

County Poor-Condition Share	33.5%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	26.8%
Average Bridge Age	56 years
Poor-Condition Traffic Exposure	4,281 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUs136 over Missouri River — 2,450 vehicles/day Oldest Listed BridgeCounty Highway over Honey Creek — built in 1900 All County BridgesBrowse every bridge record in Nemaha County.

Top Bridges to Watch in Nemaha County

Bridge	Reason	Condition	Daily Traffic	Year Built
Us136 over Missouri River	Poor condition + traffic exposure	Poor	2,450	1938
County Highway over Stream	Poor condition + traffic exposure	Poor	60	1930
Coll 7896 over Tributary To Muddy Creek	Poor condition + traffic exposure	Poor	60	1935
County Highway over Jivers Creek	Poor condition + traffic exposure	Poor	50	1935
County Highway over Duck Creek	Poor condition + traffic exposure	Poor	50	1973
County Highway over Long Branch	Poor condition + traffic exposure	Poor	40	1935
County Highway over Whiskey Run	Poor condition + traffic exposure	Poor	40	1935
County Road over Deroin Creek	Poor condition + traffic exposure	Poor	35	1935
County Highway over Long Branch Creek	Poor condition + traffic exposure	Poor	30	1935
County Highway over Jones Creek	Poor condition + traffic exposure	Poor	30	1935

Important safety note

Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.